//
//  UserAccountViewModel.swift
//  01-SinaWeibo
//
//  Created by pc on 15/11/11.
//  Copyright © 2015年 file. All rights reserved.
//

import UIKit
import AFNetworking
class UserAccountViewModel: NSObject {
    
    ////加载用户token
    func loadAccessToken(code: String, finished: (error: NSError?) -> ()) {
        let urlString = "https://api.weibo.com/oauth2/access_token"
        let parameters = ["client_id": client_id,"client_secret":client_secret,"grant_type" : "authorization_code","code":code,"redirect_uri":redirect_uri]
        let AFN = AFHTTPSessionManager()
        //failed: unacceptable content-type: text/html  text/plain
        //AFN 默认只支持以下几种数据格式的解析 @"application/json", @"text/json", @"text/javascript"
        AFN.responseSerializer.acceptableContentTypes?.insert("text/plain")
        
        AFN.POST(urlString, parameters: parameters, success: { (_, result) -> Void in
            if let dict = result as? [String: AnyObject] {
                
                //开始字典转模型
                let account = UserAccount(dict:dict)
                self.loadUserInfo(account, finished: finished)
            }
            
            }) { (_, error) -> Void in
                print(error)
        }
    }
    
    
    //加载用户信息
    private func loadUserInfo(account: UserAccount,finished: (error: NSError?) -> ()) {
        let urlString = "https://api.weibo.com/2/users/show.json"
        let parmaters = ["access_token": account.access_token!, "uid": account.uid!]
        let AFN = AFHTTPSessionManager()
        AFN.GET(urlString, parameters: parmaters, success: { (_, result) -> Void in
            if let dict = result as? [String : AnyObject] {
                account.avatar_large = dict["avatar_large"] as? String
                account.name = dict["name"] as? String
                
                account.saveAccount()
                
                ///执行闭包
                finished(error: nil)
            }
            }) { (_, error) -> Void in
                finished(error: error)
                print(error)
        }
    }
}
